Loft Conversion Companies in Willesden

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.3 (10 reviews)

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Some of our top rated loft conversion companies in Willesden

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Pine Construction Ltd.
Rating: 5 out of 5
Loft Conversion Company in Willesden
As a civil engineer and principal building contractor we consult, design, construct and project manage any dwelling and commercial projects from minor repairs to complete new-build as well as any type of restoration/renovation and basement construction projects.
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Latest review:
Extensions- 19 Oct 2017
The best team in London to work with they are highly skilled professionals and very easy to work with looking forward to work with them again
15158290 Ltd
Rating: 5 out of 5
Loft Conversion Company in Willesden
JVS Da-Vinci Builders is a reputable construction company based in Southall, London, with extensive experience in residential and commercial projects. Our skilled team has successfully completed over 30 projects, specializing in services such as loft conversions, extensions, refurbishments, interior design, and custom cabinetry. We are committed to delivering high-quality craftsmanship, exceptional customer service, and innovative solutions that enhance the functionality and aesthetic appeal of our clients’ spaces. Through our meticulous planning, design, and building processes, we ensure that every project is completed to the highest standards and within budget.
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Latest review:
I recently hired Vithesh for a loft conversion, and I couldn't be happier with the results! He completed the project with exceptional quality and efficiency. The structural floor beams and steel structure were flawlessly installed, and the roof comes with a reassuring 10-year warranty. What impressed me the most was his ability to complete the structural job in just 3 weeks, even though the original estimate was 5 weeks. His commitment to meeting deadlines and delivering high-quality work is truly commendable. I’m absolutely thrilled with the outcome and will definitely be calling him for any future projects in my home. Thank you, Vithesh, for a job well done!
MW Home Improvements Limited
Rating: 5 out of 5
Loft Conversion Company in Willesden
We are doing all types of house refurbishments and improvements. No job is too big or small for us. Skilled handiwork on high standard.
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Latest review:
Bathroom Fitting- 10 Jan 2023
Martin was very thorough from the beginning when giving me my quote. He did a very thorough job of making sure everything was to my liking. I cannot fault the quality of the work, my bathroom looks excellent! Martin is a really friendly guy and is very knowledgeable and was able to guide me when I did not understand. I would recommend him to anyone.
Cool Dudes Construction
Rating: 5 out of 5
Loft Conversion Company in Willesden
We do all sort of house renovations including new build extensions and loft conversions , bathrooms . Your satisfaction is our job
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Latest review:
Loft Conversion- 18 Feb 2024
I wanted to express my gratitude for the exceptional work done by Cool Dudes Construction on my loft and bungalow conversion project. Despite an initial estimate of 12 wks, it was completed to a high standard within 15 wks, with only a minimal 3-wk delay due to 3rd parties (window suppliers) and the holiday season. A complex project. Full rebuild of bungalow, which included hip to gable conversion, rear loft dormer, stair, ground floor extension and full ground floor rennovations (1st & 2nd fix). Mandeep and Balwinder tackled a complex design that involved the integration of steel beams and pillars. They coordinated with various suppliers and also helped me to order skylights, windows, and doors, ensuring timely delivery and installation to keep the project on track. Team always showed professionalism, ensuring that they were always punctual, tidy, and respectful. Commitment to completing the project on time was evident, they maintained open communication throughout. One +ve aspect was their willingness to work with a private building control company that i hired, which ensured compliance with regulations. Another +ve aspect of working with them was clear payment milestones in the agreement. Payment was made on completion of milestones, which provided transparency and reassurance throughout the project. Extremely satisfied with the build and would not hesitate to recommend Cool Dudes Construction to others seeking reliable and efficient building services.
JD Projects
Rating: 4.9 out of 5
Loft Conversion Company in Willesden
28 years in construction Covering Ruislip and surrounding areas Fully qualified tradesmen. Always striving for customer satisfaction paying attention to every detail at each stage moving forward on reputation and referrals from happy clients. Jdprojects only take on one project at a time and will not leave your project until fully completed.
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Latest review:
Plastering- 11 Jun 2026
What a breath of fresh air it has been to deal with a tradesperson who truly knows what he’s doing and is honest, professional, and genuinely cares about the quality of his work. John was an absolute pleasure to deal with, and I would highly recommend him to all.
Bespoke heating and cooling
Rating: 4.5 out of 5
Loft Conversion Company in Willesden
Hello my name is Robbie, I am a qualified plumber and heating engineer, that’s also trained in electrics. I enjoy working out problems and helping customers come to the best resolution to their problems.
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Latest review:
Plumbing- 11 Apr 2026
Had my bathroom plumbing changed they did a very good job very happy with the results would recommend
G&J Renovation ltd
Rating: 4.7 out of 5
Loft Conversion Company in Willesden
G&J Renovations ltd provides best quality of work as extension refurbishment new build painting plastring loft conversion and all building work
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Latest review:
Restoration & Refurbishment- 4 Mar 2026
Gurpreet and his team done my whole house renovation. Including the kitchen roof, new ceilings, skim/plaster all rooms, new tiles and flooring, all new wiring for the house, change the boiler location and fitted a new boiler .. have absolutely loved this team, especially Gurpreet. . The guy is always there to answer and follow up on any work . The work has been completed to the highest quality and really a trusted and a professional team !!... Even after the work is done, there will be few things but you can contact Gurpreet and he will sort it out for you... Overall a great experience working with this team !! ..I will be looking to get this team for all my future works !!!
First Choice KB Constructions Ltd
Rating: 5 out of 5
Loft Conversion Company in Willesden
At First Choice KB Construction Ltd, we pride ourselves on being your go-to solution for home improvements projects. With a wide array of expertise in house extensions, refurbishments, loft conversions, and the renovation of bathroom and kitchens, we’re fully equipped to tackle diverse projects. Our services span across various aspects including brickwork, plumbing, electrical, and more, ensuring a comprehensive approach to every job. Our team boast over a decade of experience in the field, ensuring that we deliver results that stands the test if time. At First Choice, our goal is clear: to provide top-notch quality work that lasts, while adhering to agreed-upon timelines. We prioritize flexibility to accommodate our customers’ unique needs and preference. No project is too small for us. We're dedicated to delivering excellent service, ensuring that our clients' needs and requirements are not just met, but exceeded. Customer satisfaction is our ultimate priority.
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Latest review:
Loft Conversion- 18 Mar 2026
Dharam and his team were great from start to finish. Very attentive in understanding my needs and diligent in executing as per requirements. Always available throughout the project for my questions and concerns and always had a solution for every challenge. I am grateful I chose First Choice for my whole house renovation, loft conversion and extension, my house would have never of looked this good without their dedication and commitment throughout. I will definitely be recommending them to my friends and family.
MAT9 Construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Willesden
I am a builder for 20 years. My speciality is it refurbishment of residentials as well as commercial projects,house extensions, loft conversions, decorating, bathrooms fit outs ,kitchens designs and instalations, suspended mf ceilings, grid and metal panels ceilings, partition walls, internal and external cladding, glass walls, flooring (laminate, wooden,decking, tiles), roofing (flat roofs, cut roofs), timber frame structures (garden sheds, garden houses, garden offices, garages.)
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Latest review:
Carpentry- 17 May 2019
Tom and his colleague Konrad were fantastic They came round 3 times prior to undertaking the work to discuss exactly what we wanted To achieve and meticulously planned it out. They were prompt on the delivery of the work and even came back twice after to ensure the painting was perfect. On top of this they are both absolutely top guys who were easy to get on with and very transparent regarding costs We’ve already booked additional work and would highly recommend these guys to friends and family. Can’t speak highly enough about them Many thanks Chris
Ben Bak
Rating: 4.5 out of 5
Loft Conversion Company in Willesden
Builder
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Latest review:
Joinery & Cabinet Making- 29 Mar 2026
Good quality work and person. Would hire again.
XLOFTEXT LTD
Rating: 4.5 out of 5
Loft Conversion Company in Willesden
We are a friendly building team with over 20 years of experience in the construction industry.Our team is skilled for loft conversion , house extension, basement extension, refurbishment, all from beginning to end, demolition to painting. With a combination of high quality of jobs and low cost we make sure all our clients are satisfied and happy with our work. I would be happy to show my previous works if you'd like to.
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Latest review:
Loft Conversion- 16 Aug 2019
Hired Xhmi after shortlisting 5 quotes. Xhmi was not the cheapest but he showed the most interest to understand what I wanted to do & what would be possible given the size & configuration of my loft. He examined the drawings thoroughly & pointed out errors/inconsistencies in the plans. He provided a detailed quote after reaching agreement on what would be my cost vs his (tiling his - tiles mine). He started the job when he said he would. His team came everyday, worked all day & cleaned up everyday. Materials were ordered in a timely fashion to ensure that work didn't stall & the job kept moving along. Scheduled meetings with inspectors always went well with approval to move on to the next stages. Xhimi was always thinking ahead & often came up with suggestions to improve the design (for example adding a skylight or reconfiguring the ensuite bathroom). Adding a loft is a big project requiring a significant outlay of money. Hiring a stranger from a website was very scary particularly because I am not currently based in the UK & working abroad. Xhmi recognized this & sent pictures regularly, called me weekly (daily sometimes during crucial phases). My husband is a builder and was skeptical about starting this project while abroad. When we came for a site visit, he was so impressed with the quality of Xhmi's work & attention to detail that we hired him for other work. Xhmi takes pride in what he does, charges reasonable rates & I most definitely recommend him.
JH CITY PROPERTY CONSTRUCTION
Rating: 5 out of 5
Loft Conversion Company in Willesden
JH City Property is a London-based renovation company delivering high-quality residential and commercial projects. With over 18 years of experience, we specialise in full property refurbishments, including painting and decoration, flooring, kitchens, bathrooms, roofing, and structural works. All projects are carried out by our in-house team, ensuring consistency, reliability, and attention to detail from start to finish. We focus on practical design, durable finishes, and delivering work to a high professional standard. We offer free site visits and quotations, and can also provide initial estimates from photos or floor plans.
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Latest review:
We had the outside of our house painted by JH City Property Construction and honestly they done such a good job. The house looks completely fresh and clean now. The team were really friendly, turned up on time every day and kept everything tidy while working. They also took their time with all the preparation instead of rushing through it, which definitely shows in the final result. The paint finish came out really smooth and neat, especially around the windows and front of the house. We’re really happy with how everything turned out and would happily use them again in the future.
Ceca Developments LTD
Rating: 5 out of 5
Loft Conversion Company in Willesden
Hael Construction Ltd, a proud member of the Federation of master builders, is a trusted construction company based in North London, delivering high-quality building services across the region. We specialise in new builds, extensions, loft conversions, renovations, groundworks, electrical installations, and plumbing. With a skilled team of qualified tradespeople and experienced project managers, we provide a complete service from design to completion. Our focus is on quality workmanship, transparent communication, and delivering projects on time and within budget.
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Latest review:
Loft Conversion- 9 Nov 2022
Honestly the best builder I have ever used in my life. Sebastian and his team have been quick honest and professional. If you are thinking about using Ceca please stop thinking hire these guys now. I could not be more happy with the service and quality of work I have received. I will never use any construction company!
HWB construction
Rating: 5 out of 5
Loft Conversion Company in Willesden
Our executive team's come from diverse backgrounds such as design, engineering and management. Dedicated and focused, our vision has always been to be a dynamic and innovative organisation. The joint experience of our executive team is well over 20 years and provides us and our partners with a significant level of expertise which is applied to each project. HWB’s unique approach means we can be flexible and bespoke in all we do when delivering excellence in the construction industry.
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Latest review:
Extensions- 28 Oct 2018
We appointed HWB to carry out a full refurbishment on our house, this involved re-gutting the interior and building an extension and loft conversion plus some landscaping in the garden. We spoke to many builders but finally appointed HWB based on their previous projects and professionalism. Appointing builders for any work is always difficult however we are delighted that we went with HWB. Throughout the project they have demonstrated high levels of professionalism, were very organised and worked to very high standards. They were collaborative throughout the whole project and kept us informed at every stage. As the project developed there were some changes made and HWB were flexible and open to new instructions made by us, as well as giving us valuable advice. Farag, Ayoub and the HWB team were always available to answer any questions and provided us with constant feedback on progress as well as identify new solutions to aid the development. They have a great team of workers who work to a high standard and are supervised throughout the project. We made the right decision going with HWB Construction and have no hesitation in recommending them.
PrimeUKContractorsLtd
Rating: 5 out of 5
Loft Conversion Company in Willesden
Prime UK Contractors is a London-based construction company providing high quality work for a reasonable price. Our projects are always finished on time. Our priority is the satisfaction of our clients. Our team consists of skilled, experienced builders who will help you execute your dream project.
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Latest review:
I recently used PrimeUK Contractors Limited for conversion works at our studios in Camden, and I couldn’t be happier with the results. The project timeline was set at six weeks, and the team delivered right on schedule. Pavlo and his team had a clear understanding of the scope and what needed to be achieved, going above and beyond to make the project a success. The quality and attention to detail in their work were outstanding, and my entire team was thrilled with the final result. Their pricing was competitive and fair, which was another bonus. When we have more work in the pipeline, Pavlo and PrimeUK will definitely be my first call. Highly recommend!
Star building and construction ltd
Rating: 5 out of 5
Loft Conversion Company in Willesden
We have wide range of tradesmen available to carry out all different kind of jobs from Installing floors, building an extension, loft conversions, new builds and house renovations. We are dedicated to ensure that all our work meets the standards of our clients, hence why all our tradesmen are handpicked for each job. We thank you in advance for your consideration and welcome you to look through our portfolio. You
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Latest review:
New extension, kitchen, shower room, flooring, fiber glass roof, roof light, new electrics, plumbing, boiler installation, removal of chimney, rear patio, soakaway, painting and decorating Satnam has exceeded our expectations in carrying out the complete job to our satisfaction within the agreed time to a very high standard. We are extremely pleased with his work. Satnam helped us select good quality products from suppliers for much less cost than if we were to source them ourselves. He was honest, courteous, professional, flexible, open to changes and made suggestions to improve the overall look. He even passed on his builders' discounts to us. We highly recommend this ambitious young builder who has excelled in the trade. We wish Satnam and his team the very best.

4.3

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Willesden, are rated 4.3 out of 5 based on 10 reviews from customers like you.

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What services are offered by loft conversion companies in Willesden?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Willesden will be able to handle multiple services, ensuring your transformed loft is fit for purpose.

Some of the services loft conversion companies can provide include:

Full loft conversions: Complete design and build projects when structural alterations are needed
Dormer loft conversions: Add extra headroom and floor space with a dormer extension
Velux or rooflight conversions: Ideal for lofts with good existing height; minimal structural change required
Hip-to-gable conversions: Extend the sloped roof to create more usable space
Mansard conversions: A major structural change offering maximum space.
Loft storage conversions: Add flooring, lighting, and insulation for clean, usable storage
Skylight or roof window fitting: Install natural light solutions like Velux windows
Staircase installation: Design and build bespoke stair access to your new loft
Insulation, heating, and ventilation upgrades: Ensure comfort and compliance with energy standards
Design and planning services: Architectural drawings, planning permission, and building regulation approval

Post your job to MyBuilder and you'll be matched with loft conversion companies in Willesden who are interested and available to help. And with the reviews of past customers and the freedom to compare the quotes of similar tradespeople, all in the same place, the ball’s in your court.

Average costs of loft conversion companies in Willesden

Loft conversions tend to be charged on a project basis, rather than by the hour, as they often involve weeks or even months of work.

The cost of your loft conversion depends on a few things, including the style of loft conversion and materials you choose and the size of your property.

That being said, here are average prices for common types of conversion work:

Full loft conversions: £45,000–£70,000+
Dormer loft conversions: £55,000–£85,000+
Velux or rooflight conversions: £25,000–£45,000
Hip-to-gable conversions: £50,000–£80,000+
Mansard conversions: £70,000–£100,000+
Loft storage conversions: £10,000–£20,000
Roof window fitting or skylight installation costs: £1,000–£2,500 per window
Staircase installation costs: £2,000–£5,000
Insulation, heating, and ventilation upgrades: £2,000–£6,000
Design and planning services: £1,500–£4,000

Take a look at our guide to loft conversion costs to get a more detailed breakdown of the different options available when using a Willesden loft conversion company.

Find a loft conversion company in Willesden with MyBuilder

When you’re planning major work like a loft conversion, you’ll want to find the right tradesperson for the job. The great news is, MyBuilder has already done all the time-consuming work for you.

All you need to do is post your job on MyBuilder, completely for free, and we’ll share it with loft conversion companies near you in and around Willesden.

Step 1: Post your job on MyBuilder

Provide a detailed description of your loft conversion project, including the type of conversion you want, any structural changes, preferred materials, and your ideal timeline. Once posted, local loft conversion companies in Willesden can view your job and register their interest.

Step 2: Review and compare Willesden loft conversion companies

Browse the profiles of interested loft conversion companies. On MyBuilder, you can view photos of previous projects alongside customer reviews, compare quotes, and see the types of conversions they specialise in.

Step 3: Contact and discuss your project

Once you’ve reviewed local Willesden loft conversion companies, you can reach out to those that interest you to ask questions, clarify details, and request more specific quotes. At this stage, be sure to discuss vital aspects like planning permission, design options, and estimated timelines to ensure the company meets your requirements.

Step 4: Hire the right Willesden loft conversion company

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and start planning your loft conversion.

You can also take a look at our loft conversion specialist hiring guide to help inform your choice. All tradespeople undergo checks at registration - such as verifying ID documents, company details, and certifications for regulated jobs and doing skill assessments - allowing you to hire with confidence.

Questions to ask local loft conversion companies in Willesden

Choosing the right loft conversion company for your job requires finding someone who understands your home and your goals.

Find out which company can share your vision by asking the following questions:

What experience do you have with loft conversions in Willesden?

A local loft conversion company in Willesden will know the types of properties and building styles common in your area, as well as the planning and building regulations that apply. Ask about similar projects they’ve completed locally.

Are you insured, and do you offer a warranty for your work?

Insurance protects your home during the loft conversion process, while a warranty shows the company’s confidence in the quality and durability of their work.

How do you handle planning permission and building regulations?

Established loft conversion companies in Willesden should understand local planning rules and building regulations. Ask how they’ll manage permissions, inspections, and compliance to avoid delays or legal issues.

What is included in your quote?

Ensure the quote covers all essential aspects of the loft conversion: structural work, windows or skylights, staircases, insulation, labour, and any additional fees. Understanding this upfront prevents unexpected costs later.

Do you manage the project from start to finish?

Some Willesden loft conversion companies offer full project management, coordinating architects, builders, and tradespeople. Others may only handle part of the conversion. Clarifying this early on helps you understand what support to expect.

FAQ: Common questions about loft conversions in Willesden

How long does a loft conversion take?

Typically, a loft conversion can take between 6 and 12 weeks, depending on complexity, planning permissions, and any structural work required. Be sure to discuss the timeline with any potential loft conversion companies in Willesden before agreeing to start the work.

Do I need planning permission for a loft conversion in Willesden?

Many loft conversions fall under permitted development, but some require planning permission, especially if you’re adding a dormer, extending the roof, or living in a listed building. A professional Willesden loft conversion company can advise and handle permissions for you.

Will a loft conversion affect my home insurance?

Yes, you’ll need to update your home insurance to cover the conversion. Inform your provider about structural changes, additional rooms, and any changes to utilities or heating systems.

Can I stay in my home during the loft conversion?

Many loft conversions allow you to remain in your home, though noise and dust are inevitable. Some Willesden loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.